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Cosmic Events

Black Hole Mergers Supernova Observations Star Mergers Star Formation Supernova Explosions Gamma-Ray Emissions Gamma-ray Burst Phenomena Black Hole Formation Gamma-Ray Burst Modeling

LIGO Ringdown from GW250114 Confirms Hawking Area Law and Yields First Near‑Horizon Measurements

A high-confidence test of Hawking’s 1971 area law shows that black‑hole ringdown tones can reveal properties of the horizon.

Astronomers Measure First Black-Hole Recoil, Tracing Newborn’s 3D Flight From 2019 Merger

Day-Long, Repeating Gamma-Ray Burst Outside Milky Way Defies Existing Models